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J. M. WALTERS. AIR AND GAS BURNER. No. 416,130. Patented Nov. 26, 1889.

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J. M. WALTERS] AIR AND GAS BURNER.

No. 416,130. Patented Nov. 26, 1889.

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N PETERS PhMcrLiihngnphun Washingwn 11c UNITED STATES PATENT OFFICE.

JASPER M. \VALTERS, OF FINDLAY, OHIO, ASSIGNOR ()F 'l\VO-'lI-IIRI)S TO WILLIAM IV. SHULER AND H. \VALTER DOTY, BOTH OF SAME PLACE.

AIR AND GAS BURNER.

SPECIFICATION forming part of Letters Patent No. 416,130, dated November 26, 1889.

Application filed July 17, 1889. Serial No. 317,783. (No model.)

To all whom, it may concern.- stack From any suitable some of supply Be it known that I, JASPER M. \VALTERS, a there leads the gas-pipe 4, provided near the v citizen of the United States, residing at Findboiler with a suitable valve 5, and terminatlay, in the county of Hancock and State of ing, preferably below the floor, in an imperfo- 5 Ohio, have invented a new and useful Air rate spherical chamber or mixer 0. Extend- I and Gas Burner, of which the following is a ing from the chamber 6 and up through the specification. bottom of the fire-box is the combined gas This invention has relation to air and gas and air pipe 7, the rear end of which comburners, and is adapted for use in steammunicates with the chamber 6, and at its up- IO boilers, furnaces, or for domestic purposes. per end there is formed the usual transverse- Among the objects in View are to adapt the ly-disposed perforated burner-pipe 8, which invention for use in connection with any orlies directly under the boiler and in a posidinary heating apparatus, whether domestic tion to deliver the burning flame of gas and or otherwise, and to provide therein means air directly to the surface thereof.

i 5 whereby the air that is subsequently mixed 9 represents the hot-air pipe, the open or,

with the gas is primarily heated, afterward induction end of which is preferably flared or mixed in a suitable receiver or mixing-chambell-shaped, as at 10, and the opposite or her, and then discharged into the combused uotion end communicates with the cham- 7o tion-chamber; to so construct the apparatus her 6.

20 as to provide a continuous circulation of hot In Fig. l,whereinIillustratemyin vention as air, and also to obviate the objectionable and applied to a steam-boiler, I have, for the purusual whistling and roaring noise caused by pose of securing the best results, located the the draft of air passing from the mixingflared induction end of the pipe 9 directly chamber. above the fire-box 2 and within the smoke- 2 5 IVith these general objects in View the instack, whereby the heated air arising from vention consists in an imperforate spherical the fire-box is induced by the draft to enter or other shaped mixing-chamber, from which the pipe 9, and is conducted from thence into there lead the air and gas pipes, terminating the chamber 6. 30 in a burner, a gas-pipe leading to and com- In practicing my invention the pipes 9 and 30 municating with the mixing-chamber, and a 7 are constructed considerably larger than hot-air pipe communicating with the furnace the gas-pipe 4.. The valve 5 being closed, it above its fire-box and with the miXing-chamwill be noticed that the receiver and the pipes her, whereby a circulation of hot air takes 9 and 7 are filled with air. The valve being place. opened, the pressure of gas forces the air from 35 The invention also consists in certain other the pipe 7, and the air from the pipe 9 is infeatures hereinafter specified, and particuduced to descend into the receiver 6. The larly pointed out in the claims. flame, being ignited, heats the air, and the Referring to the drawings, Figure 1 is a same is carried to the pipe 9 and again to the transverse vertical section of an ordinary receiver, thus keeping up a continuous circu- 0 boiler provided with an air and gas burner lation of hot air. The effect of such a mixconstructed in accordance withmyinvention. ing of hot air with the gas previous to its Fig. 2 is a detail in perspective of the invenreaching the point of combustion is well tion detached. Fig. 3 shows my invention known and will be readily appreciated, as I applied to an ordinary cooking-stove, and effect a saving in the consumption of the gas.

45 Fig. at to a heating-stove. Referring to Figs. 3 and 4, it is apparent Like numerals of reference indicate like that the only modification necessary 1n pracparts 1n all the figures of the drawings. ticing my invention in this class of stoves 1s Referring particularly to Fig. 1, 1 repreto locate the induction end 10 of the pipe 9 I00 sents an ordinary steam-boiler of the horiat a suitable point, or where the greatest 5o zontal type, and below the same is arranged draft of hot air occurs.

the usual fire-box 2, and above this boiler and If desired, I may provide the hot-air pipe 9 communicating with the firebox the smokewith a valve, (shown by dotted lines in Fig.

1,) whereby the circulation of air does not take place until the air above the burner has become heated, when said valve is opened. Such a construction also prevents an upward rising of the gas through the pipe 9 when the valve 5 is first opened. This tendency, however, is overcome by the pipe t terminating near to the eduction end of the pipe 7.

By reason of forming the mixingphamber imperforate the whistling, roaring noise so objectionable is avoided and the gas deodorized.

Havingthus described myinvention and its operation,what I claim is- 1. In a burner of the class described, the combination, with a mixing-chamber, of a burnerpipe leading therefrom and terminating in a burner,a gas-supply pipe terminatingin said chamber, and a hot-air pipe communicating with said chamber and terminating in a line of draft with the burner, substantially as specified.

2. In a burner of the class described, a mixing-chamber, a supply-pipe, and a gas and air pipe extending therefrom and terminating in a burner, in combination with a hot-air pipe communicating with the chamber and having its opposite end flared and arranged above the burner, substantially as specified.

3. In a burner of the class described,a mixing-chamber, an air and gas pipe leading therefrom and terminating in a burner, a

in the mixing-chamber and in line with the air and gas pipe, substantially as specified.

4. The combination, with a steam-boiler 1, having the fire-box 2 and the smoke-stack 3, of the 1nixing-chamber 6, located near the boiler and having the enlarged gas and air pipe 7, terminating in the burner 8, and the enlarged hot-air pipe 9, communicating with the chamber and terminating at its opposite end in the flared mouth 10, located in the smoke-stack, and the gas-pipe 4, smaller than the pipes 7 and 9 and provided with the valve 5, and terminating in the mixing-chamber and opposite the pipe 7, substantially as specified. 5. In an air and gas burner, the imperforate chamber 6, having a burner-pipe 7, terminating in a burner, the hot-air pipe 9, terminating in the flared mouth 10, and the gassupply pipe 4, terminating in the mixer, all combined as specified.

6. The combination, with a steam-boiler 1, of the mixing-chamber 6, located near the boiler and having the gas and air pipe 7, terminating in the burner 8, and the hot-air pipe 9, communicating with the chamber and terminating at its o posite end in the flared mouth 10, located in the smoke-stack, and the gas-supply pipe 4, leading to the mixingchamber, substantially as specified.

In testimony that I claim the foregoing as my own I have hereto affixed my signature in presence of two witnesses.

JASPER M. WALTERS.

Witnesses:

THOMAS C. DUNN, W. W. SHULER. 

